Seal Beach is Orange County’s quiet coastline — the pier, Main Street, beach cottages on walk-streets, the Naval Weapons Station anchoring the east side. Coastal construction has its own physics: salt air accelerates corrosion on everything it touches, small cottages need creative space planning, and the marine layer keeps moisture in the conversation year-round. A contractor who treats a beach cottage like an inland tract home will miss all of it.
Mars Construction Industries Corp is a multi-trade contractor backed by 30+ years of hands-on experience, holding four CSLB licenses in-house — A General Engineering, B General Building, C-36 Plumbing, C-20 HVAC (Lic. #1138550). One licensed, bonded, and insured team that understands coastal wear: plumbing selected for salt-air exposure, HVAC chosen for the marine environment, remodels planned around small coastal lots.
Construction & Remodeling Services in Seal Beach, CA
Salt air is the defining maintenance factor in Seal Beach. It corrodes outdoor HVAC components, attacks exposed plumbing and water heaters, and shortens equipment life across the board. Our C-20 crews replace coastal HVAC with equipment appropriate for the environment, sized for cottages where ductwork space is tight. Our C-36 plumbers handle water heaters, repipes, and fixture work with materials suited to coastal conditions. Below grade, older beach-area laterals deserve inspection — sand, roots, and decades of service take their toll — and trenchless lining with a 20-year warranty renews them without tearing up a cottage garden.
Seal Beach’s cottages are charming and compact, which makes space planning the heart of every remodel: kitchens that borrow space intelligently, baths carved from underused areas, and ADUs — 100+ built in four years through ADU Cities — turning garages and backyards into genuinely livable space. Our A and B crews handle the structural work small-lot construction always seems to require, and 911 Drain Lines answers drain emergencies 24/7 at 714.746.7611.
- Coastal HVAC replacement and repair — C-20 crews selecting and sizing equipment for salt-air, small-home conditions.
- Cottage kitchen and bath remodels — space-smart renovations for compact beach homes, all trades in-house.
- ADUs and garage conversions — via our ADU Cities team, for small coastal lots.
- Repipes and water heaters — corrosion-aware plumbing renewal by licensed C-36 crews.
- Sewer camera inspection and trenchless lining — diagnose and renew beach-area laterals; 20-year warranty.
- Drain cleaning and hydro jetting — 24/7 emergency response via 911 Drain Lines at 714.746.7611.
- Room additions and structural work — engineered additions under our A and B licenses.
Why Seal Beach Property Owners Choose Mars
The classic remodeling horror story goes like this: three contractors, three schedules, and nobody responsible when something goes wrong. We’re the opposite of that. Mars Construction Industries Corp is licensed, bonded, and insured (CSLB #1138550), backed by 30+ years of hands-on experience, and we hold four trade licenses in-house — A General Engineering, B General Building, C-36 Plumbing, C-20 HVAC — so most of your project never leaves our own crews.
That changes the experience: the company that bids your kitchen remodel also moves the gas line, sizes the HVAC for the new floor plan, and handles the structural work. No finger-pointing between subs, no stacked mystery markups, no waiting weeks for a trade contractor to fit you in.
We’re based in Orange, California, and carry SB-PW and SB(Micro) certifications. Through 911 Drain Lines, ADU Cities, Get Your Roof Certified, and Universal Inspect, we serve a property end to end — from the sewer lateral (our trenchless lining has a 20-year warranty) to the roof. Seal Beach hires us because one accountable team is simply easier, and the work turns out better.
Proudly Serving Seal Beach and Orange County
Seal Beach is Orange County’s northernmost coastal city — home territory for our Orange County crews, from our office at 1119 W. Collins Ave in the city of Orange. From the walk-streets near the pier to the neighborhoods by the Naval Weapons Station, properties here get a contractor that plans for salt air instead of being surprised by it. Call 310.880.9718.
Frequently Asked Questions
Are you licensed to do this work?
Yes. Mars Construction Industries Corp holds CSLB #1138550 — A General Engineering, B General Building, C-36 Plumbing, and C-20 HVAC. We’re licensed, bonded, and insured, with SB-PW and SB(Micro) certifications. Verify any California contractor at cslb.ca.gov — we encourage it.
Do you offer emergency service?
Yes. 911 Drain Lines runs 24/7 for drain and plumbing emergencies at 714.746.7611. For urgent construction issues, call 310.880.9718 and we’ll get the right crew moving.
Do you take on commercial work?
Absolutely — offices, retail, restaurants, and light industrial/warehouse interiors. We’re licensed, bonded, and insured for commercial work with SB-PW and SB(Micro) certifications, and in-house plumbing and HVAC keep TI schedules tight.
Does the salt air really affect our plumbing and HVAC that much?
Yes — it’s the biggest factor in equipment life this close to the water. Salt accelerates corrosion on outdoor HVAC cabinets and coils, exposed plumbing, and water heaters. We specify materials and equipment with coastal exposure in mind and we’ll be honest about maintenance intervals. A system chosen for the beach lasts meaningfully longer than one chosen without thinking about where it lives.
Get a Straight Answer on Your Project
Remodel, addition, repipe, new HVAC, or commercial build-out in Seal Beach — talk to the contractor who can do all of it. Call Mars Construction Industries Corp at 310.880.9718 or email brett@marsx.construction. We’ll give you a straight assessment and a detailed written estimate. Our office: 1119 W. Collins Ave, Orange, CA 92867.
One accountable team. Four licenses. 30+ years of hands-on experience. That’s Mars.